Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -162,6 +162,7 @@ 162 162 163 163 ))) 164 164 165 + 165 165 == 1.3 Features == 166 166 167 167 * LoRaWAN Class A & Class C protocol ... ... @@ -172,6 +172,7 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 176 + 175 175 == 1.4 Applications == 176 176 177 177 * Smart Buildings & Home Automation ... ... @@ -181,6 +181,7 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 186 + 184 184 == 1.5 Hardware Variants == 185 185 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -194,6 +194,7 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 200 + 197 197 = 2. Power ON Device = 198 198 199 199 The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller. ... ... @@ -275,6 +275,7 @@ 275 275 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 276 276 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 277 277 282 + 278 278 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 279 279 280 280 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -325,6 +325,7 @@ 325 325 ** DO1 is high in case there is load between DO1 and V+. 326 326 ** DO1 LED is off in both case 327 327 333 + 328 328 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 329 329 330 330 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. ... ... @@ -739,6 +739,7 @@ 739 739 740 740 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 741 741 748 + 742 742 === 3.4.1 Common Commands === 743 743 744 744 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] ... ... @@ -888,12 +888,10 @@ 888 888 889 889 b : delay timing. 890 890 891 - 892 892 **Example:** 893 893 894 894 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 895 895 896 - 897 897 * Downlink Payload (prefix 0x09 01 ): 898 898 899 899 (% class="box infomessage" %) ... ... @@ -918,12 +918,10 @@ 918 918 919 919 b : delay timing. 920 920 921 - 922 922 **Example:** 923 923 924 924 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 925 925 926 - 927 927 * Downlink Payload (prefix 0x09 02 ): 928 928 929 929 (% class="box infomessage" %) ... ... @@ -944,7 +944,6 @@ 944 944 **AT+ACLIM. ** 945 945 ))) 946 946 947 - 948 948 * Downlink Payload (prefix 0xAA 01 ): 949 949 950 950 (% class="box infomessage" %) ... ... @@ -965,7 +965,6 @@ 965 965 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 966 966 ))) 967 967 968 - 969 969 * Downlink Payload (prefix 0xAA 00 ): 970 970 971 971 (% class="box infomessage" %) ... ... @@ -986,7 +986,6 @@ 986 986 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 987 987 ))) 988 988 989 - 990 990 * Downlink Payload (prefix 0xAC ): 991 991 992 992 (% class="box infomessage" %) ... ... @@ -1002,7 +1002,6 @@ 1002 1002 1003 1003 There is no AT Command to control Digital Output 1004 1004 1005 - 1006 1006 * Downlink Payload (prefix 0x02): 1007 1007 1008 1008 (% class="box infomessage" %) ... ... @@ -1036,7 +1036,6 @@ 1036 1036 1037 1037 There is no AT Command to control Digital Output 1038 1038 1039 - 1040 1040 * Downlink Payload (prefix 0xA9): 1041 1041 1042 1042 (% class="box infomessage" %) ... ... @@ -1056,22 +1056,18 @@ 1056 1056 1057 1057 00: DO pins will change to an inverter state after timeout 1058 1058 1059 - 1060 1060 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1061 1061 1062 1062 [[image:image-20220524093238-6.png]] 1063 1063 1064 - 1065 1065 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1066 1066 1067 1067 [[image:image-20220524093328-7.png]] 1068 1068 1069 - 1070 1070 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1071 1071 1072 1072 [[image:image-20220524093351-8.png]] 1073 1073 1074 - 1075 1075 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1076 1076 1077 1077 Latching time. Unit: ms ... ... @@ -1078,7 +1078,6 @@ 1078 1078 1079 1079 Device will upload a packet if downlink code executes successfully. 1080 1080 1081 - 1082 1082 **Example payload:** 1083 1083 1084 1084 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1105,7 +1105,6 @@ 1105 1105 1106 1106 There is no AT Command to control Relay Output 1107 1107 1108 - 1109 1109 * Downlink Payload (prefix 0x03): 1110 1110 1111 1111 (% class="box infomessage" %) ... ... @@ -1135,7 +1135,6 @@ 1135 1135 1136 1136 There is no AT Command to control Relay Output 1137 1137 1138 - 1139 1139 * Downlink Payload (prefix 0x05): 1140 1140 1141 1141 (% class="box infomessage" %) ... ... @@ -1153,17 +1153,14 @@ 1153 1153 1154 1154 00: Relays will change to an inverter state after timeout 1155 1155 1156 - 1157 1157 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1158 1158 1159 1159 [[image:image-20220524093831-10.png]] 1160 1160 1161 - 1162 1162 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1163 1163 1164 1164 Device will upload a packet if downlink code executes successfully. 1165 1165 1166 - 1167 1167 **Example payload:** 1168 1168 1169 1169 **~1. 05 01 11 07 D0** ... ... @@ -1195,7 +1195,6 @@ 1195 1195 **AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1196 1196 ))) 1197 1197 1198 - 1199 1199 * Downlink Payload (prefix 0xA5): 1200 1200 1201 1201 (% class="box infomessage" %) ... ... @@ -1222,7 +1222,6 @@ 1222 1222 1223 1223 Bb cc dd ee: number to be set 1224 1224 1225 - 1226 1226 * Downlink Payload (prefix 0xA8): 1227 1227 1228 1228 (% class="box infomessage" %) ... ... @@ -1275,16 +1275,17 @@ 1275 1275 ))) 1276 1276 1277 1277 1264 + 1278 1278 == 3.5 Integrate with Mydevice == 1279 1279 1280 1280 Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps: 1281 1281 1282 1282 ((( 1283 - (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.1270 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1284 1284 ))) 1285 1285 1286 1286 ((( 1287 - (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:1274 +**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1288 1288 ))) 1289 1289 1290 1290 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1291,13 +1291,12 @@ 1291 1291 1292 1292 [[image:image-20220524094641-11.png||height="390" width="723"]] 1293 1293 1294 - 1295 1295 [[image:image-20220524094641-12.png||height="402" width="718"]] 1296 1296 1297 1297 1298 - (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.1284 +**Step 3**: Create an account or log in Mydevices. 1299 1299 1300 - (% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)1286 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1301 1301 1302 1302 Search under The things network 1303 1303 ... ... @@ -1304,21 +1304,16 @@ 1304 1304 [[image:1653356838789-523.png||height="337" width="740"]] 1305 1305 1306 1306 1307 - 1308 1308 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1309 1309 1310 1310 [[image:image-20220524094909-1.png||height="335" width="729"]] 1311 1311 1312 - 1313 1313 [[image:image-20220524094909-2.png||height="337" width="729"]] 1314 1314 1315 - 1316 1316 [[image:image-20220524094909-3.png||height="338" width="727"]] 1317 1317 1318 - 1319 1319 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1320 1320 1321 - 1322 1322 [[image:image-20220524094909-5.png||height="341" width="734"]] 1323 1323 1324 1324 ... ... @@ -1358,7 +1358,7 @@ 1358 1358 ))) 1359 1359 1360 1360 ((( 1361 - (% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.1342 +**Example1**: Connect to a Low active sensor. 1362 1362 ))) 1363 1363 1364 1364 ((( ... ... @@ -1389,7 +1389,7 @@ 1389 1389 ))) 1390 1390 1391 1391 ((( 1392 - (% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.1373 +**Example2**: Connect to a High active sensor. 1393 1393 ))) 1394 1394 1395 1395 ((( ... ... @@ -1420,7 +1420,7 @@ 1420 1420 ))) 1421 1421 1422 1422 ((( 1423 - (% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.1404 +**Example3**: Connect to a 220v high active sensor. 1424 1424 ))) 1425 1425 1426 1426 ((( ... ... @@ -1460,9 +1460,8 @@ 1460 1460 1461 1461 The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is: 1462 1462 1444 +**AC2 = (IN2 voltage )/12** 1463 1463 1464 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1465 - 1466 1466 [[image:1653357592296-182.png]] 1467 1467 1468 1468 Example to connect a 4~~20mA sensor ... ... @@ -1469,18 +1469,17 @@ 1469 1469 1470 1470 We take the wind speed sensor as an example for reference only. 1471 1471 1452 +Specifications of the wind speed sensor: 1472 1472 1473 - **Specifications of the windspeed sensor:**1454 +Red:12~~24v 1474 1474 1475 - Red:12~~24v1456 +Yellow:4~~20mA 1476 1476 1477 - Yellow:4~~20mA1458 +Black:GND 1478 1478 1479 -Black: GND 1480 1480 1461 +Connection diagram: 1481 1481 1482 -**Connection diagram:** 1483 - 1484 1484 [[image:1653357640609-758.png]] 1485 1485 1486 1486 [[image:1653357648330-671.png||height="155" width="733"]] ... ... @@ -1512,7 +1512,6 @@ 1512 1512 1513 1513 [[image:1653358238933-385.png]] 1514 1514 1515 - 1516 1516 ((( 1517 1517 In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below: 1518 1518 ))) ... ... @@ -1519,7 +1519,6 @@ 1519 1519 1520 1520 [[image:1653358355238-883.png]] 1521 1521 1522 - 1523 1523 ((( 1524 1524 More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1525 1525 ))) ... ... @@ -1717,9 +1717,7 @@ 1717 1717 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1718 1718 1719 1719 ((( 1720 - 1721 - 1722 -**If device has not joined network yet:** 1697 +If device has not joined network yet: 1723 1723 ))) 1724 1724 1725 1725 ((( ... ... @@ -1744,7 +1744,7 @@ 1744 1744 1745 1745 1746 1746 ((( 1747 - **If device already joined network:**1722 +If device already joined network: 1748 1748 ))) 1749 1749 1750 1750 ((( ... ... @@ -1762,9 +1762,7 @@ 1762 1762 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1763 1763 1764 1764 ((( 1765 - 1766 - 1767 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1740 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1768 1768 ))) 1769 1769 1770 1770 ((( ... ... @@ -1772,7 +1772,7 @@ 1772 1772 ))) 1773 1773 1774 1774 ((( 1775 -(% style="background-color:#dcdcdc" %) 123456(%%) 1748 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1776 1776 ))) 1777 1777 1778 1778 ((( ... ... @@ -1780,41 +1780,39 @@ 1780 1780 ))) 1781 1781 1782 1782 ((( 1783 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1756 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1784 1784 ))) 1785 1785 1786 1786 ((( 1787 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1760 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1788 1788 ))) 1789 1789 1790 1790 ((( 1791 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1764 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1792 1792 ))) 1793 1793 1794 1794 ((( 1795 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1768 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1796 1796 ))) 1797 1797 1798 1798 ((( 1799 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1772 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1800 1800 ))) 1801 1801 1802 1802 ((( 1803 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) 1776 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1804 1804 ))) 1805 1805 1806 1806 ((( 1807 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) 1780 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1808 1808 ))) 1809 1809 1810 1810 ((( 1811 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) 1784 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1812 1812 ))) 1813 1813 1814 1814 ((( 1815 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1816 - 1817 - 1788 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1818 1818 ))) 1819 1819 1820 1820 ((( ... ... @@ -1837,6 +1837,7 @@ 1837 1837 ))) 1838 1838 1839 1839 1811 + 1840 1840 === 4.2.3 Change to Class A === 1841 1841 1842 1842 If sensor JOINED ... ... @@ -1848,25 +1848,19 @@ 1848 1848 1849 1849 == 5.1 How to upgrade the image? == 1850 1850 1851 - 1852 1852 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1853 1853 1854 1854 * Support new features 1855 1855 * For bug fix 1856 1856 * Change LoRaWAN bands. 1857 - 1858 1858 Below shows the hardware connection for how to upload an image to the LT: 1829 +* [[image:1653359603330-121.png]] 1859 1859 1860 -[[image:1653359603330-121.png]] 1861 - 1862 - 1863 1863 ((( 1864 -(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1865 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1866 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1867 - 1868 - 1869 -(% style="color:blue" %)**For LT-22222-L**(%%): 1832 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1833 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1834 +**Step3: **Open flashloader; choose the correct COM port to update. 1835 +**For LT-22222-L**: 1870 1870 Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode. 1871 1871 ))) 1872 1872 ... ... @@ -1876,7 +1876,6 @@ 1876 1876 1877 1877 [[image:image-20220524104033-15.png]] 1878 1878 1879 - 1880 1880 (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1881 1881 1882 1882 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1892,11 +1892,14 @@ 1892 1892 1893 1893 ((( 1894 1894 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1860 + 1861 + 1895 1895 ))) 1896 1896 1897 1897 ((( 1898 1898 1899 1899 1867 + 1900 1900 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1901 1901 ))) 1902 1902 ... ... @@ -1941,7 +1941,7 @@ 1941 1941 (% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1942 1942 (% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1943 1943 (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1944 -(% style="background-color:#dcdcdc" %)ATZ 1912 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1945 1945 ))) 1946 1946 1947 1947 ... ... @@ -2019,6 +2019,8 @@ 2019 2019 * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2020 2020 * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 2021 2021 1990 + 1991 + 2022 2022 = 8. Packing Info = 2023 2023 2024 2024 ... ... @@ -2029,6 +2029,7 @@ 2029 2029 * Bracket for controller x1 2030 2030 * Program cable x 1 2031 2031 2002 + 2032 2032 **Dimension and weight**: 2033 2033 2034 2034 * Device Size: 13.5 x 7 x 3 cm ... ... @@ -2036,6 +2036,8 @@ 2036 2036 * Package Size / pcs : 14.5 x 8 x 5 cm 2037 2037 * Weight / pcs : 170g 2038 2038 2010 + 2011 + 2039 2039 = 9. Support = 2040 2040 2041 2041 * ((( ... ... @@ -2045,6 +2045,8 @@ 2045 2045 Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2046 2046 ))) 2047 2047 2021 + 2022 + 2048 2048 = 10. Reference = 2049 2049 2050 2050 * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]